Today, PG Flow Solutions designs, engineers, manufactures, tests and commission a range of unique flow handling solutions, systems and products, including pumps and pumping technologies, across a number of industry sectors including marine, energy, aquaculture and land-based process industries.

PG Flow Solutions was originally founded in 1982, then named Ing. Per Gjerdrum AS. Since then, the company has evolved from being a local pump supplier to becoming a global designer and supplier of engineered flow solutions systems and products.

In June 2015, the company was re-named and re-branded to become PG Flow Solutions AS.

Calder is a leading manufacturer of high and ultra high pressure packaged engineered pump solutions. The company design, engineer, manufacture, install and service cost-effective and environmentally responsible pumping solutions for safe and hazardous areas. Established in 1981, its experience in building robust pump packages for the toughest onshore and offshore process and waterjetting applications are significant.